Soulbond (You may pair this creature with another unpaired creature when either enters. They remain paired for as long as you control both of them.) Whenever Donna Noble or a creature it's paired with is dealt damage, Donna Noble deals that much damage to target opponent. Doctor's companion (You can have two commanders if the other is the Doctor.)

Whenever this creature is dealt damage, it deals that much damage to any target.

As long as this creature is attacking, it gets +2/+0. Pay 4 life: This creature gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.)

Indestructible Whenever this creature is dealt damage, it deals that much damage to target opponent. {2}{R}, {T}: This creature fights another target creature.

Enchant creature Enchanted creature gets +0/+4. Umbra armor (If enchanted creature would be destroyed, instead remove all damage from it and destroy this Aura.)

Choose a creature or planeswalker you control. All damage that would be dealt this turn to you and permanents you control is dealt to the chosen permanent instead (if it's still on the battlefield).

All damage that would be dealt to you and other permanents you control is dealt to this creature instead.

{1}, {T}: Add {W}{U}.

{3}, Sacrifice this creature: Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle.

{T}: Add one mana of any color in your commander's color identity. Sacrifice this artifact: Draw a card.

{T}: Add {C}. {1}, {T}, Sacrifice this artifact: Draw a card.

{T}: Add {C}. {1}, {T}: Add one mana of any color.

This artifact enters tapped. When this artifact enters, you get {E}{E}{E} (three energy counters). {T}: Add {C}. {T}, Pay {E}: Add one mana of any color.

When this creature enters, you may search your library for a basic land card, put that card onto the battlefield tapped, then shuffle. When this creature dies, you may draw a card.

{T}: Add {C}. {T}: Add {R} or {W}. This artifact deals 1 damage to you.

Each opponent must attack you or a planeswalker you control with at least one creature each combat if able. At the beginning of your end step, create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.")

{2}, {T}, Sacrifice this artifact: Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

This spell costs {1} less to cast if you control two or more legendary creatures. Scry 2, then draw two cards.

Scry 2, then draw two cards. Foretell {1}{U} (During your turn, you may pay {2} and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)

As an additional cost to cast this spell, sacrifice an artifact or discard a card. Draw two cards.

Flash (You may cast this spell any time you could cast an instant.) Whenever this creature is dealt damage, draw that many cards.

Choose one — • Into the Fire deals 2 damage to each creature, planeswalker, and battle. • Put any number of cards from your hand on the bottom of your library, then draw that many cards plus one.

{U}, {T}: Draw two cards. {R}, {T}, Discard a card: This creature deals damage to target creature equal to the discarded card's mana value.

{X}{U}{R}, {T}: Nin deals X damage to target creature. That creature's controller draws X cards.

This spell costs {2} less to cast if you control a Human creature and a non-Human creature. Draw two cards.

Draw three cards. Addendum — If you cast this spell during your main phase, instead scry 3, then draw three cards.

Choose one — • Abrade deals 3 damage to target creature. • Destroy target artifact.

Anger of the Gods deals 3 damage to each creature. If a creature dealt damage this way would die this turn, exile it instead.

Whenever this creature is dealt damage, it deals that much damage to any target. {R/W}: This creature gains first strike until end of turn.

Flash {1}, Sacrifice this creature: Destroy target artifact or enchantment.

Chain Reaction deals X damage to each creature, where X is the number of creatures on the battlefield.

Changeling (This card is every creature type.) Exile target creature. Its controller creates a 1/1 colorless Shapeshifter creature token with changeling.

Choose one or both — • Deafening Clarion deals 3 damage to each creature. • Creatures you control gain lifelink until end of turn.

Counter target spell with mana value 4 or greater.

Goad all creatures you don't control. (Until your next turn, those creatures attack each combat if able and attack a player other than you if able.)

Destroy target creature or planeswalker. Its controller investigates. (Create a Clue token. It's an artifact with "{2}, Sacrifice this token: Draw a card.")

Destroy all creatures with power greater than target creature's power.

Choose three. You may choose the same mode more than once. • Fiery Confluence deals 1 damage to each creature. • Fiery Confluence deals 2 damage to each opponent. • Destroy target artifact.

Fuel the Flames deals 2 damage to each creature. Cycling {2} ({2}, Discard this card: Draw a card.)

Enchant creature Whenever enchanted creature deals damage, this Aura deals that much damage to that creature.

Target creature deals damage to itself equal to its power.

Mizzium Mortars deals 4 damage to target creature you don't control. Overload {3}{R}{R}{R} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

Choose three. You may choose the same mode more than once. • Counter target spell unless its controller pays {3}. • Return target creature to its owner's hand. • Draw a card.

Counter target noncreature spell.

Exile target artifact or creature. Its controller creates a 4/4 blue and red Elemental creature token.

Counter target spell. Untap up to four lands.

Counter target spell. Foretell {1}{U} (During your turn, you may pay {2} and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)

Each creature deals damage to itself equal to its power.

Sliver creatures you control have "Whenever this creature is dealt damage, it deals that much damage to target player or planeswalker."

Starstorm deals X damage to each creature. Cycling {3} ({3}, Discard this card: Draw a card.)

Choose one — • Target creature gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.) • Destroy target creature with toughness 4 or greater.

This land enters tapped. When this land enters, return a land you control to its owner's hand. {T}: Add {R}{W}.

This land enters tapped. {T}: Add {W} or {U}. {3}{W}{U}: Until end of turn, this land becomes a 4/4 white and blue Elemental creature with flying and vigilance. It's still a land.

{T}: Add one mana of any color in your commander's color identity.

{1}, {T}: Add {U}{R}.

As this land enters, you may reveal an Island or Mountain card from your hand. If you don't, this land enters tapped. {T}: Add {U} or {R}.

As this land enters, you may reveal a Mountain or Plains card from your hand. If you don't, this land enters tapped. {T}: Add {R} or {W}.

({T}: Add {W} or {U}.) This land enters tapped.

({T}: Add {U}.)

({T}: Add {R}.)

This land enters tapped. {T}: Add {U}, {R}, or {W}.

This land enters tapped. {T}: Add one mana of any color in your commander's color identity. When that mana is spent to cast a creature spell that shares a creature type with your commander, scry 1. (Look at the top card of your library. You may put that card on the bottom.)

({T}: Add {W}.)

As this land enters, you may reveal a Plains or Island card from your hand. If you don't, this land enters tapped. {T}: Add {W} or {U}.

({T}: Add {W} or {U}.) This land enters tapped unless you control two or more basic lands.

({T}: Add {R} or {W}.) This land enters tapped.

This land enters tapped. Indestructible {T}: Add {U} or {R}.

{1}, {T}: Add {W}{U}.

This land enters tapped. When this land enters, scry 1. (Look at the top card of your library. You may put that card on the bottom.) {T}: Add {W} or {U}.

This land enters tapped. When this land enters, scry 1. (Look at the top card of your library. You may put that card on the bottom.) {T}: Add {U} or {R}.

This land enters tapped. When this land enters, scry 1. (Look at the top card of your library. You may put that card on the bottom.) {T}: Add {R} or {W}.